# Video and Multimedia

Click on the following links. Please note these will open in a new window.

Video link: Sampling Population Sample and Generalizability
Learning Objective: LO 6-1
Description:  This video explains how generalizability is affected by sampling procedures.

#### Questions to consider:

1. What are the 3 main things that can have an effect on sample representativeness?
2. Explain why is it important for the selected sample to represent the overall population?

Video link: Finding mean, median, and mode
Learning Objective: LO 6-5
Description:  In this quick review, the presenter gives a set of numbers and shows viewers how to find the mean, median, and mode.

#### Questions to consider:

1. Which term (mean, median, mode) is the best to use for describing ‘the average student?’  (Hint:  The answer is not mean.)
2. Which of the 3 do you feel will be most useful to you as a teacher researcher when analyzing your action research findings?  Why?

Video link: Understanding Descriptive and Inferential Statistics
Learning Objective: LO 6-5, 6-6
Description:  This statistical analysis overview briefly explains descriptive and inferential statistics.

#### Questions to consider:

1. The video uses the example of green and black olives.  Give a real world example using elementary students.
2. What is the basic difference between descriptive and inferential statistics?

Web link: Action Research Data Analysis Tutorial
Learning Objective: LO 6-4
Description:  This presentation briefly summarizes several qualitative analysis methods.

#### Questions to consider:

1. Begin reading on slide 24.  Explain how the presenter characterizes the process of qualitative data analysis?
2. What is content analysis?

Web link: Qualitative Analysis: Coding and Categorizing
Learning Objective: LO 6-4
Description:  This is a brief tutorial on the coding process for data collected during the action research process.

#### Questions to consider:

1. Briefly outline the coding process.
2. How does an action researcher go about selecting appropriate coding methods?